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Komainu

Can a neutral, regulated crypto custodian become the default institutional gateway for tokenized finance?

Founded2018
HQSt. Helier, Jersey, Channel Islands
FoundersNomura, CoinShares, Ledger
Total raised~$100M (Series A + Series B disclosed)
Latest roundSeries B, 2025
IndustryFintech / Crypto
The story

Komainu was spun out in 2018 as a joint venture between Nomura (via Laser Digital), CoinShares, and Ledger to give traditional financial institutions a regulated on-ramp to digital-asset custody. Since securing its Jersey licence in 2019 it has layered on staking (2021), collateral management via Komainu Connect (2023), and tokenised-asset custody, positioning itself as the neutral 'institutional gateway' rather than an exchange. A $75M Series B led by Blockstream in 2025, plus FCA registration, marks a shift toward becoming core infrastructure for tokenised funds and real-world assets, evidenced by the Aviva Investors tokenised USD Liquidity Fund mandate.

Last 12 months
2025
2025
2026
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2026
Product timeline
2018
Founded as a joint venture by Nomura, CoinShares and Ledger· pivot
2019
Received regulatory approval from the Jersey Financial Services Commission· banking
2021
Closed $25M Series A; launched custodial staking; integrated MPC technology· banking
2023
Received VASP licence from Dubai VARA; launched Komainu Connect (collateral management)· lending
2025
Completed $75M Series B led by Blockstream; received FCA crypto registration and OAM registry in Italy· banking
Regulated entities
4
regulatory licences held by Komainu
Licence types, jurisdictions and registered entities are in the Embedded Finance Index report.
The stack
5 layers disclosed in Komainu’s embedded-finance stack
Banking / BaaS
FundBank
Card network
in the full report
Lending
in the full report
FX & payouts
in the full report
Crypto
in the full report
Accounting gap: minor
7 more providers across 4 layers, with confidence-scored evidence and source URLs, are in the Embedded Finance Index report.